Brucite and Chalcopyrite Physical Properties

Brucite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.394.1-4.3

1 7.18

1.5 Fracture

Irregular

Uneven, Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

Indistinct on {011}

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Brucite and Chalcopyrite Chemical Formula

While comparing Brucite and Chalcopyrite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Brucite and Chalcopyrite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Brucite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.